Nagios XI before v5.8.7 was discovered to contain a cross-site scripting (XSS) vulnerability via the ajax.php script in CCM 3.1.5.

Nagios XI before v5.8.7 was discovered to contain multiple cross-site scripting (XSS) vulnerabilities at auditlog.php.

In Nagios XI through 5.8.5, an open redirect vulnerability exists in the login function that could lead to spoofing.

In Nagios XI through 5.8.5, a read-only Nagios user (due to an incorrect permission check) is able to schedule downtime for any host/services. This allows an attacker to permanently disable all monitoring checks.

In Nagios XI through 5.8.5, it is possible for a user without password verification to change his e-mail address.

In Nagios XI through 5.8.5, in the schedule report function, an authenticated attacker is able to inject HTML tags that lead to the reformatting/editing of emails from an official email address.

The general user interface in Nagios XI versions prior to 5.8.4 is vulnerable to authenticated reflected cross-site scripting. An authenticated victim, who accesses a specially crafted malicious URL, would unknowingly execute the attached payload.

The Bulk Modifications functionality in Nagios XI versions prior to 5.8.5 is vulnerable to SQL injection. Exploitation requires the malicious actor to be authenticated to the vulnerable system, but once authenticated they would be able to execute arbitrary sql queries.

Nagios Enterprises NagiosXI <= 5.8.4 contains a Server-Side Request Forgery (SSRF) vulnerability in schedulereport.php. Any authenticated user can create scheduled reports containing PDF screenshots of any view in the NagiosXI application. Due to lack of input sanitisation, the target page can be replaced with an SSRF payload to access internal resources or disclose local system files.

Nagios XI before 5.8.5 incorrectly allows manage_services.sh wildcards.

Nagios XI before 5.8.5 has Incorrect Permission Assignment for repairmysql.sh.

Nagios XI before 5.8.5 incorrectly allows backup_xi.sh wildcards.

Nagios XI before 5.8.5 has Incorrect Permission Assignment for migrate.php.

In Nagios XI before 5.8.6, XSS exists in the dashboard page (/dashboards/#) when administrative users attempt to edit a dashboard.

An open redirect vulnerability exists in Nagios XI before version 5.8.5 that could lead to spoofing. To exploit the vulnerability, an attacker could send a link that has a specially crafted URL and convince the user to click the link.

Nagios XI before version 5.8.5 is vulnerable to insecure permissions and allows unauthenticated users to access guarded pages through a crafted HTTP request to the server.

Nagios XI before version 5.8.5 is vulnerable to SQL injection vulnerability in Bulk Modifications Tool due to improper input sanitisation.

Nagios XI before version 5.8.5 is vulnerable to local privilege escalation because cleaner.php does not sanitise input read from the database.

Nagios XI before version 5.8.5 is vulnerable to local file inclusion through improper limitation of a pathname in index.php.

Nagios XI before version 5.8.5 is vulnerable to local privilege escalation because getprofile.sh does not validate the directory name it receives as an argument.